81254040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{96731}}^1$

素因数の和:96752

約数の個数: 64

約数和(自身を含む): 278588160

約数和(自身を除く): 197334120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 96731, 193462, 290193, 386924, 483655, 580386, 677117, 773848, 967310, 1160772, 1354234, 1450965, 1934620, 2031351, 2321544, 2708468, 2901930, 3385585, 3869240, 4062702, 5416936, 5803860, 6771170, 8125404, 10156755, 11607720, 13542340, 16250808, 20313510, 27084680, 40627020, 81254040]

約数ペア:

[(1, 81254040), (2, 40627020), (3, 27084680), (4, 20313510), (5, 16250808), (6, 13542340), (7, 11607720), (8, 10156755), (10, 8125404), (12, 6771170), (14, 5803860), (15, 5416936), (20, 4062702), (21, 3869240), (24, 3385585), (28, 2901930), (30, 2708468), (35, 2321544), (40, 2031351), (42, 1934620), (56, 1450965), (60, 1354234), (70, 1160772), (84, 967310), (105, 773848), (120, 677117), (140, 580386), (168, 483655), (210, 386924), (280, 290193), (420, 193462), (840, 96731)]